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# test try-finally with return, where unwinding return has to go through
# another try-finally which may affect the behaviour of the return
# case where a simple try-finally executes during an unwinding return
def f(x):
try:
try:
if x:
return 42
finally:
try:
print(1)
finally:
print(2)
print(3)
print(4)
finally:
print(5)
print(f(0))
print(f(1))
# case where an unwinding return is replaced by another one
def f(x):
try:
try:
if x:
return 42
finally:
try:
print(1)
return 43
finally:
print(2)
print(3)
print(4)
finally:
print(5)
print(f(0))
print(f(1))
# case where an unwinding return is cancelled by an exception
def f(x):
try:
try:
if x:
return 42
finally:
try:
print(1)
raise ValueError # cancels any active return
finally:
print(2)
print(3)
print(4)
finally:
print(5)
try:
print(f(0))
except:
print('caught')
try:
print(f(1))
except:
print('caught')
# case where an unwinding return is cancelled then resumed
def f(x):
try:
try:
if x:
return 42
finally:
try:
print(1)
raise Exception # cancels any active return
except: # cancels the exception and resumes any active return
print(2)
print(3)
print(4)
finally:
print(5)
print(f(0))
print(f(1))
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